Constellium Ownership | Who Owns Constellium?
Constellium Ownership Summary
Constellium is owned by 48.49% institutional investors, 3.02% insiders, and 48.48% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 9.28% of CSTM shares. Janus Henderson Contrarian D is the top mutual fund, with 2.91% of its assets in Constellium shares.
CSTM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Constellium | 48.49% | 3.02% | 48.48% |
| Sector | Basic Materials Stocks | 41.27% | 13.22% | 45.51% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 12.96M | 9.28% | $318.66M |
| Bpifrance sa | 12.59M | 9.02% | $309.56M |
| Blackrock | 11.43M | 7.79% | $215.44M |
| Fmr | 6.96M | 4.98% | $171.12M |
| Vanguard group | 4.05M | 2.88% | $76.44M |
| T. rowe price investment management | 3.96M | 2.84% | $97.36M |
| Millennium management | 3.47M | 2.48% | $85.29M |
| D. e. shaw | 3.23M | 2.32% | $79.51M |
| Arrowstreet capital, limited partnership | 3.23M | 2.31% | $79.34M |
| Morgan stanley | 3.20M | 2.29% | $78.56M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Bpifrance sa | 12.59M | 18.71% | $309.56M |
| Beaconlight capital | 1.17M | 15.18% | $28.80M |
| Soapstone management | 800.00K | 14.01% | $19.66M |
| Brightline capital management | 1.85M | 13.43% | $45.40M |
| Kailix advisors | 494.40K | 11.83% | $13.52M |
| Mountaineer partners management | 658.49K | 8.04% | $16.19M |
| Bayberry capital partners lp | 874.00K | 6.65% | $21.48M |
| Beacon investment advisors | 326.97K | 3.03% | $8.04M |
| Rockingstone advisors | 191.84K | 2.16% | $4.72M |
| Encompass capital advisors | 2.48M | 1.82% | $60.89M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Arrowstreet capital, limited partnership | 3.23M | 0.04% | 2.78M |
| Alliancebernstein | 2.32M | 0.01% | 2.18M |
| Healthcare of ontario pension plan trust fund | 2.06M | 0.08% | 1.85M |
| Blackrock | 11.43M | 0.00% | 1.66M |
| Westwood group | 1.40M | 0.25% | 1.40M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 6.96M | 0.01% | -3.61M |
| Nut tree capital management, lp | - | - | -3.23M |
| Millennium management | 3.47M | 0.04% | -2.80M |
| Encompass capital advisors | 2.48M | 1.82% | -2.18M |
| Macquarie group | - | - | -2.03M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Westwood group | 1.40M | 0.25% | 1.40M | $34.45M |
| Kinetic partners management, lp | 1.31M | 1.81% | 1.31M | $32.26M |
| William blair investment management | 918.09K | 0.07% | 918.09K | $22.57M |
| Bayberry capital partners lp | 874.00K | 6.65% | 874.00K | $21.48M |
| Bridgewater associates, lp | 502.97K | 0.06% | 502.97K | $12.36M |
Sold Out
| Holder | Change |
|---|---|
| Capital performance advisors llp | -7.00 |
| Southstate | -20.00 |
| First horizon advisors | -20.00 |
| Swan capital | -25.00 |
| Svb wealth | -26.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 219 | -15.12% | 67,731,701 | -44.73% | 48 | 0.64% | 137 | 9.60% | 56 | -41.67% |
| Dec 31, 2025 | 193 | -22.18% | 72,832,493 | -42.75% | 51 | 0.63% | 94 | -32.37% | 66 | -4.35% |
| Sep 30, 2025 | 238 | 6.25% | 127,175,966 | 1.31% | 90 | 1.14% | 135 | 0.75% | 69 | 9.52% |
| Jun 30, 2025 | 229 | -2.14% | 130,590,895 | 0.80% | 92 | 1.17% | 136 | 6.25% | 66 | -1.49% |
| Mar 31, 2025 | 234 | 1.30% | 130,456,040 | -3.44% | 89 | 1.04% | 128 | 2.40% | 67 | -9.46% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Janus Henderson Contrarian D | 4.18M | 2.91% | - |
| Janus Henderson US Opportunistic Alpha | 4.18M | 2.86% | 321.95K |
| Janus Henderson Opportunistic Alpha MA | 3.86M | 2.64% | 3.86M |
| T. Rowe Price U.S. SC Value Eq Tr-Z | 3.42M | 2.40% | 187.37K |
| iShares Russell 2000 ETF | 3.25M | 2.38% | 27.35K |
| Jennison SMid Cap Core Equity | 2.31M | 1.58% | -41.76K |
| PGIM Jennison Small Company A | 2.31M | 1.58% | - |
| Janus Henderson US Small Cap Growth | 2.18M | 1.56% | - |
| Janus Henderson Venture D | 2.18M | 1.56% | - |
| T. Rowe Price Small-Cap Value | 2.09M | 1.53% | -273.00K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 04, 2026 | Ormerod John | - | Sell | $280.08K |
| May 28, 2026 | Becker Marcus | SVP CPO | Sell | $362.96K |
| May 14, 2026 | Soultz Bradley Lee | - | Buy | $84.60K |
| May 14, 2026 | Jarrett Martin | SVP Chief Innovation Officer | Sell | $157.80K |
| May 12, 2026 | Piquier Ludovic | SVP Manuf Excellence & CTO | Sell | $33.57K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | 1 | 8 |
| 2026 Q1 | 4 | 15 |
CSTM Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools